This Patagonia Button Up Short Sleeve Shirt in men's medium features a classic red, yellow, and white plaid pattern, perfect for a colorful and outdoor-themed look. Made from a comfortable cotton blend with organic cotton, this breathable shirt is great for all seasons and includes convenient pockets for added functionality. The collared neckline and button closure add to the traditional button-up style, while the point collar and knit fabric type enhance the overall fit and feel of this versatile and stylish shirt.